
S01E01 Beginning of a Friendship
Hase notices that Kaori seems very detached from the rest of her classmates. Making a daring move, he asks to be her friend, only to find out that at the beginning of every week she...
It becomes apparent to Yuki why Kaori is losing her memory so he decides it best to keep his distance from her in order to preserve her memory.
High school sophomore Yūki Hase noticed that Kaori Fujimiya, his classmate, was always alone. He tried to start a conversation with her but was turned down: "My memories of friendship can last only a week," she said. Despite of knowing this shocking truth, Yūki keeps trying to be Kaori's "new" friend every week.